{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "manufacturing standard", "material", "machanical property", "application", "process parameter"], "input": "It is typically to demonstrate that low-cost machines have a low performance ."}
{"engineering feature": [], "manufacturing standard": [], "material": [], "machanical property": [], "application": [], "process parameter": []}